Perhaps you should try some spelling variations:
hanh than » hanh han, hanh nhan, hanh phan
than cua » nhan cua, thai cua, ban cua
tan hanh » tan thanh, tang hanh, toan hanh
cua tre » cua te, cuu tre, cua triet
cac duc » cac du, cao duc, cac dac
nang co » nang cao, nang doc, nang noi
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
tu san » thu san, tu can, vu san
nang o » nang ho, nang ro, nang x
tu ban » thu ban, te ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu san) or (tu ban)) ky ((nang o) or (nang co)) lai. hieu ve cac duc tan hanh than cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu ban)) ky ((nang o) OR (nang co)) lai. hieu ve cac duc tan hanh than cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu san) or (tu ban)) ky ((nang o) or (nang co)) lai. hieu ve cac duc tan hanh than cua tre*.